/**
 * @author Yunfeng Bai
 *
 * 2012-6-27
 */
package simulation;


public interface ConstraintSolver
{
	/**
	 * @return If the solver has changed the positions.
	 * True: simulator won't integrate positions;
	 * False: simulator will integrate positions.
	 */
	boolean solveVelocities(Simulator sim);
	void rigidBodyAdded(Simulator sim);
}
